W6mo5cr4v2 Equivalent Grades Full Comparison For Global Buyers - China

W6Mo5Cr4V2 equivalent grades are frequently searched by purchasing engineers who receive drawings from different countries and need to match the right steel quickly.

W6Mo5Cr4V2 is the Chinese GB standard tungsten-molybdenum high speed steel, and its closest international equivalents are AISI M2, DIN 1.3343 and JIS SKH51 - Complete Equivalence List:

- China GB: W6Mo5Cr4V2 (GB/T 9943)

- USA: AISI M2 / ASTM A600

- Germany: 1.3343 / S 6-5-2

- Japan: SKH51 (JIS G4403), also known as SKH9 in older practice

- France: Z85WDCV (AFNOR)

- UK: BM2 (BS 4659)

- ISO: HS 6-5-2

- UNS: T11302 Are These Equivalents Identical?

In practice yes for composition and performance, but buyers should note small differences in delivery conditions:

1 - American M2 is often specified with strict microcleanliness and decarb limits.

2 - European 1.3343 frequently requires EN 10204 3.1 certification and SEP 1921 ultrasonic testing.

3 - Japanese SKH51 users expect very tight annealed hardness for fine machining.

Selection Guidance:

- General cutting tools: any of the equivalents above works, W6Mo5Cr4V2 offers the best price-performance.

- High precision tools: choose suppliers who can guarantee carbide uniformity rating.

- Hot hardness above 620C: move to cobalt modified M35 or M42 rather than plain M2 family.

Typical products made from W6Mo5Cr4V2 and its equivalents: drills, taps, reamers, end mills, saw blades, broaches, cold forming tools and precision wear parts.

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